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Item#: N82E16835103197

Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

  • Zero maintenance design
  • CM designed pump
  • Thick FEP Tubing
  • Dual JetFlo 140 fans
  • Unique LED glow for logo
  • Email this page
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Learn more about the Cooler Master RL-N14X-20PK-R1

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the Cooler Master RL-N14X-20PK-R1

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Showing 33 of 33 reviews - Clear Filters

  • Russel R.
  • 3/25/2015 11:17:27 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsPump noise

This review is from: Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

Pros: Even with low fan speeds, it keeps an overclocked Haswell very cool. Generally seems to be well-built with one huge exception.

Cons: To get a sense of the noise this pump makes, search YouTube for "Off air signal." Thinking my first Nepton 140XL was defective, I bought a second. It makes the exact same noise! I don't have the equipment to measure how loud it is, but I can hear the noise from 40 feet away with the cooler installed inside my Lian Li case and the lid closed. I could probably hear it from 50 or 60 feet away, but my house isn't that big.

Many reviews talk about how the fans will drown out the noise from the pump. That is true. They can - if you crank them way up. You can could also drown out the noise with a vacuum cleaner, hair dryer, Spinal Tap with the amps at 11, or Harley Davidson motorcycle.

If you are a sane person though, and use your motherboard's PWM signal to slow the fans down to ~800 RPM, you'll easily hear the pump. You can try reducing the pump's speed, but that only changes the tone, not the volume. Even at the lowest pump speed, the tone is very annoying. It serves as a constant reminder that you've made a $100 mistake.

Other Thoughts: Newegg is fantastic for returns of products like this one. They issued two RMAs for refunds and I'll be trying a Corsair Hydro H90 instead. Maybe I've been unlucky enough to get two defective units, but it isn't likely.

Did you find this review helpful? Yes No

  • Anonymous
  • 3/18/2015 9:30:00 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsIt's great, just a few nit picks

This review is from: Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

Pros: Super thick
Pump is silent
flexible tubing

Cons: The fans it comes with are LOUDER THAN ANYTHING ELSE. I replaced them with 2 AF140's which cause my CPU (4770k) to run at 1-3C warmer, but at least it doesn't sound like a 747 taking off. Seriously, at 60% the noise in intolerable.

Other Thoughts: Everything but the fans are good.

Did you find this review helpful? Yes No

  • Anonymous
  • 1/29/2015 1:05:09 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsscrews strip super easy

This review is from: Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

Pros: ...

Cons: -bolts need to be longer (even using the longer bolts that come with the set, I had to take the grommets off my noctuas for the screws to catch)

-screws strip supppppper easy. Not sure if mine came stripped, but my top right corner will not catch at all. My radiator and noctua in push configure are kinda just hanging there. The radiator metal they used is way too flimsy at the screw holes.

-pump is too tall for my setup (node 304) to be in push pull, that wasn't a concern with the H90 I'm replacing.

-can't get my machine to post (I think it may be a problem with the backplate sorting things out?). How have others resolved this? Better to ship a non conductive back plate?

I want to RMA but I'm not sure if the next kraken will be any better. Seems like a common problem that people have mentioned. AND unless I get a replacement first, I have to pull the mobo out to return the backplate. /sigh

Other Thoughts: I'll post more once I get my rig to boot. Sheesh!

1 out of 1 people found this review helpful. Did you? Yes No

  • Carl G.
  • 1/23/2015 7:37:04 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsGreat cooler, loud fans

This review is from: Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

Pros: - Keeps my i7-4790K very cool. Used with Noctua NT-H1 thermal compound, it runs idle between 28-31°C, stress tested it with a few different programs (not Prime95 because I've seen things said about it not being the best thing to do with Haswell processors) and it really never went far above 60°C. Seems like really great performance. I only put this system together a week ago so I still have a lot of testing I want to do, but so far so good.
- Really easy install. Note that there are two different sets of sized thumbnail screws for installing the fans and radiator to the case. The shorter screws go in the inside fan, longer screws from the outside. Luckily I found a how to install video which was a bit more helpful than the included directions on that part.
- Nice white LED around the logo on the waterblock
- Fans move a ton of air, but....

Cons: - Fans are really loud. I have them turned down to between 40-50% of full speed most of the time before it becomes tolerable, and they're still kinda loud. I'm leaning towards replacing them with something more quiet, as my case is not really on the silent side. Cooler Master has 140mm "Silent" fans listed here with a good rating so I might give them a shot.

Other Thoughts: Didn't want to have a full 240mm or 280mm radiator, and didn't want a giant air cooler, so this was a perfect choice in that respect. Make sure your motherboard is running this at constant 100% full power. I had to go into my BIOS to change that, because it was making a pretty audible whine when I first started up my machine due to it not running at full power. Keeps temps super cool so far, and hopefully I will be even more satisfied with quieter fans.

Did you find this review helpful? Yes No

  • Anonymous
  • 1/20/2015 4:33:53 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsdisappointed

This review is from: Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

Pros: Seems nice enough. That's why I bought it.

Cons: Can't install it. Period. The radiator came from the factory warped like a squashed parallelogram. Since the fans line up nice and square, they will not let me attach more than two screws on either side. Hope this can get resolved. Will update rating then.

Manufacturer Response:

Dear Customer,

We sincerely apologize for the trouble regarding the cooler. If you have havent already, would you be able to contact us so we can make this right by replacing the cooler? We would like to rectify the situation.

Respectfully,


CMUSA Support.

Phone:
1-888-624-5099

Site:
http://account.coolermaster.com

Did you find this review helpful? Yes No

  • Craig F.
  • 1/19/2015 11:41:48 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsHigh Pitch Pump Noise

This review is from: Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

Pros: Cools the CPU

Cons: Loud high pitch water pump noise 5800 HZs which is close to the pump speed.

Manufacturer Response:

Dear Customer,

We sincerely apologize for the trouble you had with our cooler. This is definitely not normal. We wish to get that cooler replaced under warranty. Would you be able to contact us so we can help you out and rectify the situation?

Respectfully,


CMUSA Support.

Phone:
1-888-624-5099

Site:
http://account.coolermaster.com

Did you find this review helpful? Yes No

  • Edward S.
  • 1/8/2015 4:06:30 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggs

This review is from: Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

Pros: The box it came in was pretty

Cons: i received this cooler with all 16 holes stripped

i used the fans for about 2 weeks until one fan started making loud noise and the other fan would just stop and than start up agn

Other Thoughts: I will probably just stick to Cooler Master cases

Manufacturer Response:

Dear Valued Customer,

We apologize for the trouble you are experiencing with the Nepton 140XL. The cooler will not come with the radiator holes stripped since they are brand new in the box. The stripped holes is usually caused when the screws are over tightened.

Please contact us so that we can replace the cooler.

Phone: 888-624-5099

Respectfully,
Patrick
CMUSA Support

0 out of 1 people found this review helpful. Did you? Yes No

  • Steven A.
  • 1/3/2015 9:56:50 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsCool N Quiet

This review is from: Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

Pros: -Keeps temps on my 4690k around 50 even when it was OC'd to 4.6

-Looks awesome and great feeling to have Liquid Cooling

- Wasn't TOO hard to install, although instructions could have been BIT more detailed

Cons: -Back plate needs more shielding as my first boot was stuck in an endless boot / restart (but it could have been the SMALL motherboard cut out on the Cooler Master 932 Advanced...

-Holes strip easy is the only reason I took an egg off as it makes re installing this a risk of stripping more

I suggest getting an extra pair of hands to hold the radiator from flopping around

Other Thoughts: I suggest getting an extra pair of hands to hold the radiator from flopping around if you ever need to re install because of a tiny motherboard cut out and / or lack of shielding on the CPU cooler backplate.

1 out of 1 people found this review helpful. Did you? Yes No

  • Keven H.
  • 12/30/2014 12:54:01 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsUsed for Overclocking

This review is from: Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

Pros: My first foray into water cooling and overclocking. Bought this to work with an Intel Core i7-5820K CPU and an Asus X99-A motherboard.

Once I got a case large enough to accommodate the water cooler the installation was a breeze.

The Asus software made overclocking a breeze. I'm running stable at 4.5 - 4.6 Ghz. When running at that speed the fans are a bit noisy, but not too bad.

Cons: After running this for a few weeks I get some noise which seems to be the fans wobbling a bit and hitting the side of the case? That's a bit annoying.

I haven't tried taking this apart yet to take a closer look and see if there is anything I can do to eliminate the noise. I suspect I may just have to live with this and perhaps build something around the case to cut down on noise?

Other Thoughts: I overlooked how much of a problem the 140 mm fans and radiator were going to cause me. None of my existing computer cases would accommodate this. (120 mm seems to be the standard size available on most cases?)

Some cases had the space on the top side, but the artistic shape of ventilation made it impossible for me to mount the fans and radiator.

I ended up buying a Cooler Master HAF Stacker 935 case. The case works very well with this cooler, but the case is significantly larger than any I've ever used before. It stands about 28 inches tall.

1 out of 1 people found this review helpful. Did you? Yes No

  • Matthew A.
  • 12/29/2014 8:02:14 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsSeems ok

This review is from: Cooler Master Nepton 140XL – Push-Pull CPU Liquid Water Cooling System with 140mm Radiator and 2 JetFlo Fans

Pros: It seems to get the job done. Day 3 and my 4790K is sitting at 42-45C. In some ways this is an extremely easy liquid cooling device to set up and in some ways it was really challenging (see cons). Aspects that made it easy is that tubes are industrial strength and will clearly never break. The liquid is already in there and you never have to add any (in fact that voids warranty). The LED glow of the cooler master logo through my smoked glass window looks absolutely sick.

Cons: Installation: It was an extreme pita to install this in my Corsair C70, which others had claimed is an easy case for this. The rad thickness was an issue pretty much every where in the case. Eventually I have to get out a drill and break off a few erroneous brackets of in the top part of the case to just barely fit this thing on to the middle top vent. The real screws proved an asset compared to the thumb screws, as that gave me a few more mm on the internal fan so as to free up a fan header on my mobo. Overall it was a serious headache.
Performance: GOOD LORD the fans can get loud. Most of the time they stay idle and fine but you load up something like Civ Beyond Earth and it sounds like you're in the engine room of a 747, constantly. I can't really play Civilization for more than 10 minutes before getting freaked out the computer will blow up the fans are THAT loud. Loudest fans ever.

Other Thoughts: The instructions were so-so. This was my first liquid cooling experience and it wasn't hard to understand what needed to be done for install, it was just finding the space...

1 out of 1 people found this review helpful. Did you? Yes No

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